#!/usr/bin/perl

print "content-type: text/html \n\n";	#HTTP Header

#PICK A NUMBER
$x = 81;
$add = $x + 9;	
$sub = $x - 9;
$mul = $x * 10;
$div = $x / 9;
$exp = $x ** 5;
$mod = $x % 79;
print "$x plus 9 is $add<br />";
print "$x minus 9 is $sub<br />";
print "$x times 10 is $mul<br />";
print "$x divided by 9 is $div<br />";
print "$x to the 5th is $exp<br />";
print "$x modulus 79 is $mod<br />";